# build readrfile executable when user executes "make"
readrfile: readrfile.o
	$(CC) $(LDFLAGS) readrfile.o -o readrfile
readrfile.o: readrfile.c
	$(CC) $(CFLAGS) -c readrfile.c

# remove object files and executable when user executes "make clean"
clean:
	rm *.o readrfile
